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The number of PUSH instructions and POP instructions in a subroutine must be

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in Microprocessor by (39.4k points)
The number of PUSH instructions and POP instructions in a subroutine must be

(a) PUSH instructions must be greater than POP instructions

(b) POP instructions must be greater than PUSH instructions

(c) Both must be equal

(d) Instructions may be any kind

This question was posed to me in a dream while sleeping

I'm obligated to ask this question of Stack Structure of 8086/8088 topic in section Special Architectural Features and Related Programming of Microprocessor

1 Answer

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by (49.2k points)
The correct option is (c) Both must be equal

Best explanation: The number of PUSH instructions must be equal to the number of POP instructions.

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